Ferro Boron (FeB) Uses & Production Process

What Is Ferroboron?

Initially, Ferroboron alloy was produced by the aluminum thermal method, the aluminum content in the alloy is relatively high.

Ferro Boron Manufacturer in China

With the development of steel, casting, permanent magnetic materials, and soft magnetic materials industry, the boron iron aluminum, carbon, silicon, and other content requirements are higher and higher, and gradually appeared in the low-aluminum, low-carbon, ultra-low-carbon boron iron and so on.

Ferro Boron Specification

LC FeBBC maxSi maxAl maxS max
LC FeB20-
LC FeB14-
MC FeB9-
MC FeB17-
MC FeB13-
chemical composition of ferro boron

Ferroboron Uses

ccording to the carbon content, ferroboron (boron content: 5-25%) can be divided into low carbon (C≤0.05%~0.1%, 9%~25%B) and medium carbon (C≤2.5%, 4%~19 %B) two kinds. Ferroboron is a strong deoxidizer and boron element additive in steelmaking production. The biggest role of boron in steel is that only a very small amount can significantly improve the hardenability and replace a large number of alloying elements. In addition, it can also improve mechanical properties, cold deformation performance, welding performance and high temperature performance.

Mainly used in steel and cast iron. Used for alloy structural steel, spring steel, low-alloy high-strength steel, heat-resistant steel, stainless steel, etc. Boron can improve toughness and wear resistance in cast iron, and is widely used in the manufacturing of automobiles, tractors, machine tools, etc.

Ferro boron is mainly used in steel making, casting, thermal spraying powder, amorphous alloys and the production of NdFeB permanent magnetic materials. In recent years, ferro boron is mainly used in the micro-alloying of boron-containing steels and some casting alloys to improve their sheer permeability and mechanical properties. Boronizing the surface of steel not only improves wear resistance, but also corrosion resistance.

ferro boron used in steel making
ferro silicon powder used in steel making

Ferro Boron Alloy Production Process

Raw materials

Raw materials mainly include boron ore, boric acid and boronic anhydride. Other raw materials vary with smelting methods and product quality requirements.

Production Process

Primary Aluminum Thermal Process: This is mainly used to produce low carbon ferroboron, but with high aluminum content.

Electrocarbon thermal method: this is mainly used for the production of low-aluminum ferroboron, but the carbon content is relatively difficult to control.

The Development of Ferro Boron

The downstream of boron ferroalloy industry is mainly special steel, permanent magnet materials, amorphous strips, cored wire, thermal spraying and other industries, the demand and development of boron ferroalloy has a strong correlation with the development of these downstream industries. With the development and progress of the downstream industries, the requirements for boron ferroalloys are getting higher and higher. Therefore, research should be carried out in the following aspects to meet the cost reduction of ferro boron producers and the needs of downstream users.

Upgrading the automation level of equipment

To enhance the level of automation in the production of mineral heat furnace, such as automatic charging of the furnace body, the monitoring of electrode pressure release. It will be manual mode only when it is in the alarm or fault, this will reduce the production of human influence, while greatly enhancing the personal safety of workers.

Improve the level of the casting process

At present, iron boron production casting process is still using ordinary ingot mold casting, due to the existence of alloy element segregation, iron boron ingot composition has a layered phenomenon, need to wait for the alloy to cool down, through the sorting way will be different layers of boron iron alloy classification finishing packaging. This traditional way is to cause the finished product composition is not accurate, but the process is more, the cost is higher. Therefore, for the boron ferroalloy characteristics, the development of a new type of pouring system, so that the boron ferroalloy melt can be quickly cooled after pouring, reduce oxidation, to achieve uniform composition, less subsequent finishing and crushing process, thereby improving product quality and reducing product production costs.

Developing new boron-containing composite ferroalloy products

Given the demand for downstream materials, as well as boron alloying research, the development of new boron composite ferroalloy products (such as boron silicon ferroalloys, boron silicon manganese alloys, etc.) will be the key direction of future development.

Development of a new boron alloy production process

With the improvement of the quality of boron alloy products and the research and development of new products, the traditional carbon hot reduction smelting process of mineral heat furnace will be difficult to meet the production demand. Therefore, the use of new production equipment to develop new boron alloy production process has become one of the boron alloy production research and development direction.

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